<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

namespace Aliyun\DySDKLite;

/**
 * Description of AliyunSms
 *
 * @author Administrator
 */
class AliyunSms {
    private $accessId;
    private $accessSecret;
    private $sign;
    private $template;
    public function init($accessKeyId,$accessKeySecret,$sign,$tpl){
        $this->accessId = $accessKeyId;
        $this->accessSecret = $accessKeySecret;
        $this->sign = $sign;
        $this->template = $tpl;
    }
    public function sendSms($mobile,$code) {
        $params = array ();
        // *** 需用户填写部分 ***
        // fixme 必填: 请参阅 https://ak-console.aliyun.com/ 取得您的AK信息
        // fixme 必填: 短信接收号码
        $params['PhoneNumbers'] = $mobile;
        // fixme 必填: 短信签名，应严格按'签名名称'填写，请参考: https://dysms.console.aliyun.com/dysms.htm#/develop/sign
        $params['SignName'] = $this->sign;

        // fixme 必填: 短信模板Code，应严格按'模板CODE'填写, 请参考: https://dysms.console.aliyun.com/dysms.htm#/develop/template
        $params['TemplateCode'] = $this->template;

        // fixme 可选: 设置模板参数, 假如模板中存在变量需要替换则为必填项
        if(is_array($code))
        {
            $t = Array(
                'product' => 'ytx'
            );
            $params['TemplateParam'] = array_merge($code,$t);
        }
        else
        {
            $params['TemplateParam'] = Array (
                'code' => $code,
                'product' => 'ytx'
            );
        }


        // fixme 可选: 设置发送短信流水号
//        $params['OutId'] = '12345';

        // fixme 可选: 上行短信扩展码, 扩展码字段控制在7位或以下，无特殊需求用户请忽略此字段
//        $params['SmsUpExtendCode'] = '1234567';


        // *** 需用户填写部分结束, 以下代码若无必要无需更改 ***
        if(!empty($params['TemplateParam']) && is_array($params['TemplateParam'])) {
            $params['TemplateParam'] = json_encode($params['TemplateParam'], JSON_UNESCAPED_UNICODE);
        }
        //var_dump($params);

        // 此处可能会抛出异常，注意catch
        try{
        $content = $this->request(
            $this->accessId,
            $this->accessSecret,
            'dysmsapi.aliyuncs.com',
            array_merge($params, array(
                'RegionId' => 'cn-hangzhou',
                'Action' => 'SendSms',
                'Version' => '2017-05-25',
            ))
        );
        } catch (Exception $e){
            var_dump($e);
            return false;
        }
        //var_dump($content);
        return $content;
    }
    
    public function querySendDetails($phone,$date=0) {
        $params = array ();
        // fixme 必填: 短信接收号码
        $params["PhoneNumber"] = $phone;
        if($date<31){
            $date = date('Ymd', time()-$date*86400);
        }
        // fixme 必填: 短信发送日期，格式Ymd，支持近30天记录查询
        $params["SendDate"] = $date;

        // fixme 必填: 分页大小
        $params["PageSize"] = 10;

        // fixme 必填: 当前页码
        $params["CurrentPage"] = 1;

        // fixme 可选: 设置发送短信流水号
//        $params["BizId"] = "yourBizId";

        // *** 需用户填写部分结束, 以下代码若无必要无需更改 ***


        // 此处可能会抛出异常，注意catch
        $content = $this->request(
            $this->accessId,
            $this->accessSecret,
            "dysmsapi.aliyuncs.com",
            array_merge($params, array(
                "RegionId" => "cn-hangzhou",
                "Action" => "QuerySendDetails",
                "Version" => "2017-05-25",
            ))
        );

        return $content;
    }
    
    
    
    
    
    /**
     * 生成签名并发起请求
     *
     * @param $accessKeyId string AccessKeyId (https://ak-console.aliyun.com/)
     * @param $accessKeySecret string AccessKeySecret
     * @param $domain string API接口所在域名
     * @param $params array API具体参数
     * @param $security boolean 使用https
     * @return bool|\stdClass 返回API接口调用结果，当发生错误时返回false
     */
    public function request($accessKeyId, $accessKeySecret, $domain, $params, $security=false) {
        $apiParams = array_merge(array (
            "SignatureMethod" => "HMAC-SHA1",
            "SignatureNonce" => uniqid(mt_rand(0,0xffff), true),
            "SignatureVersion" => "1.0",
            "AccessKeyId" => $accessKeyId,
            "Timestamp" => gmdate("Y-m-d\TH:i:s\Z"),
            "Format" => "JSON",
        ), $params);
        ksort($apiParams);

        $sortedQueryStringTmp = "";
        foreach ($apiParams as $key => $value) {
            $sortedQueryStringTmp .= "&" . $this->encode($key) . "=" . $this->encode($value);
        }

        $stringToSign = "GET&%2F&" . $this->encode(substr($sortedQueryStringTmp, 1));

        $sign = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&",true));

        $signature = $this->encode($sign);

        $url = ($security ? 'https' : 'http')."://{$domain}/?Signature={$signature}{$sortedQueryStringTmp}";

        try {
            $content = $this->fetchContent($url);
            return json_decode($content);
        } catch( \Exception $e) {
            return false;
        }
    }

    private function encode($str)
    {
        $res = urlencode($str);
        $res = preg_replace("/\+/", "%20", $res);
        $res = preg_replace("/\*/", "%2A", $res);
        $res = preg_replace("/%7E/", "~", $res);
        return $res;
    }

    private function fetchContent($url) {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_TIMEOUT, 5);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array(
            "x-sdk-client" => "php/2.0.0"
        ));

        if(substr($url, 0,5) == 'https') {
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        }

        $rtn = curl_exec($ch);

        if($rtn === false) {
            trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR);
        }
        curl_close($ch);

        return $rtn;
    }
}
